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Articles by mkotla
77 articles
Does constructor return any value in Java?
No, the constructor does not return any value. While declaring a constructor you will not have anything like a return type. In general, the Constructor is implicitly called at the time of instantiation. And it is not a method, its sole purpose is to initialize the instance variables.Read more about constructors: Java Constructors Example public class Sample{ public Sample(){ System.out.println("This is a constructor"); } public static void main(String args[]){ ...
Read MoreExecute a script when the element gets user input in HTML?
Use the oninput event attribute to trigger when an element gets user input. You can try to run the following code to implement oninput attribute − Example Write your name below: function display() { var p = document.getElementById("myid").value; document.getElementById("test").innerHTML = "Your answer is " + p; }
Read MoreConvert HTML5 into standalone Android App
Steps Follow the below-given steps to convert HTML5 into standalone Android App You need to first create an Android app using Eclipse. Move HTML code to /assets folder −The Assets provide a way to include arbitrary files such as text, XML, music, fonts, and video in your application. Load web view with the file − android_asset/ file enable javascript Layout for WebView While creating a layout for WebView − WebVieww = new WebView(this); w.loadUrl("http://www.app.com/");
Read MoreWhat is a CSS Selector?
The selectors in CSS are patterns to select the element to style.Let us see the key selectors in CSS −SelectorDemoDescription class.demoSelects all elements with class="demo"#id#myidSelects the element with id="myid"**Used to select all the elements
Read MoreCSS Text Shadow
CSS3 added shadow effects to text, with the text-shadow property. You can try to implement the following code to add text shadow −ExampleLive Demo h1 { text-shadow: 2px 2px; } h2 { text-shadow: 2px 2px red; } h3 { text-shadow: 2px 2px 5px red; } h4 { color: white; text-shadow: 2px 2px 4px #000000; } h5 { text-shadow: 0 0 3px #FF0000; } h6 { text-shadow: 0 0 3px #FF0000, 0 0 5px #0000FF; } p { color: white; text-shadow: 1px 1px 2px black, 0 0 25px blue, 0 0 5px darkblue; } Welcome to my website! Welcome to my website! Welcome to my website! Welcome to my website! Welcome to my website! Welcome to my website! Welcome to my website! Output
Read MoreSet the border image as rounded, repeated and stretched with CSS
The border-image-repeat property is used to set the border image as rounded, repeated and stretched with CSS.ExampleYou can try to run the following code to implement the border-image-repeat property:Live Demo #borderimg1 { border: 15px solid transparent; padding: 15px; border-image-source: url(https://tutorialspoint.com/css/images/border.png); border-image-repeat: round; border-image-slice: 40; border-image-width: 20px; } This is image border example.
Read MoreAnimate CSS column-rule property
To implement animation on the column-rule property with CSS, you can try to run the following code:ExampleLive Demo div { width: 600px; height: 300px; background: white; border: 10px solid red; animation: myanim 3s infinite; bottom: 30px; position: absolute; column-count: 4; ...
Read MoreApply style to the parent if it has a child with CSS and HTML
Parent selectors are not present in CSS3. There is a proposed CSS4 selector, $, to do so, which could look like this (Selecting the li element) −ul $li ul.sub { ... }As an alternative, with jQuery, a one-liner you could make use of would be this. The: has() selector selects all elements that have one or more elements inside of them, that matches the specified selector. The tag defines a list item. The tag defines an unordered (bulleted) list.$('ul li:has(ul.sub)').addClass('has_sub');You could then style the li.has_sub in your CSS.
Read MoreStyle input type button with CSS
The input type button can be a submit button or reset button. With CSS, we can style any button on a web page.You can try to run the following code to style input type button:ExampleLive Demo input[type=button] { background-color: orange; border: none; text-decoration: none; color: white; padding: 20px 20px; margin: 20px 20px; cursor: pointer; } Fill the below form, Subject Student
Read MoreSelects every <a> element whose href attribute value ends with ".htm" with CSS
Use the [attribute$=”value”] selector to select elements whose attribute value ends with a specified value i.e. “.htm” here.You can try to run the following code to implement the CSS [attribute$="value"] Selector,ExampleLive Demo [href$ = htm] { border: 5px solid orange; border-radius: 5px; } Java Tutorial Java Tutorial PDF
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